Procedures:
1. In a pot, heat oil then saute ginger, onion and onion leeks.
2. Add potatoes and peppercorns then continue sauteing for a minute.
3. Pour rice washing and bring to boil then season with fish sauce.
4. Add fish then simmer for 3 minutes. Adjust seasoning according to taste.
5. Add cabbage then simmer for another 2 minutes. Turn off the heat.
6. Transfer to serving bowl then serve immediately.